/*
 *  Copyright 2008 The Apache Software Foundation
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.mybatis.generator.codegen.ibatis2.sqlmap.elements;

import org.mybatis.generator.api.dom.xml.Attribute;
import org.mybatis.generator.api.dom.xml.TextElement;
import org.mybatis.generator.api.dom.xml.XmlElement;

/**
 * 
 * @author Jeff Butler
 * 
 */
public class CountByExampleElementGenerator extends AbstractXmlElementGenerator {

	public CountByExampleElementGenerator() {
		super();
	}

	@Override
	public void addElements(XmlElement parentElement) {
		XmlElement answer = new XmlElement("select"); //$NON-NLS-1$

		answer.addAttribute(new Attribute("id", introspectedTable.getCountByExampleStatementId())); //$NON-NLS-1$
		answer.addAttribute(new Attribute("parameterClass", introspectedTable.getExampleType())); //$NON-NLS-1$
		answer.addAttribute(new Attribute("resultClass", "java.lang.Integer")); //$NON-NLS-1$ //$NON-NLS-2$

		context.getCommentGenerator().addComment(answer);

		StringBuilder sb = new StringBuilder();
		sb.append("select count(*) from "); //$NON-NLS-1$
		sb.append(introspectedTable.getAliasedFullyQualifiedTableNameAtRuntime());
		answer.addElement(new TextElement(sb.toString()));

		XmlElement includeElement = new XmlElement("include"); //$NON-NLS-1$
		sb.setLength(0);
		sb.append(introspectedTable.getIbatis2SqlMapNamespace());
		sb.append('.');
		sb.append(introspectedTable.getExampleWhereClauseId());
		includeElement.addAttribute(new Attribute("refid", //$NON-NLS-1$
				sb.toString()));

		answer.addElement(includeElement);

		if (context.getPlugins().sqlMapCountByExampleElementGenerated(answer, introspectedTable)) {
			parentElement.addElement(answer);
		}
	}
}
